XTX Topco Ltd

Position in ARQ — Arq, Inc.

CIK 1828301 LONDON, X0

Position in ARQ

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$64,892

-$121,117 QoQ

Shares Held

25,448

-65.0% QoQ

Ownership

0.058%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#48

of 100 holders

Holding Since

Jun 2021

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

XTX Topco Ltd holds $6,432,169 across 8 Pollution & Treatment Controls names. ARQ ranks #5 (1.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZWS	Zurn Elkay Water Solutions Corp	59,013	$2,981,926
2	PCT	PureCycle Technologies, Inc.	263,179	$2,134,381
3	CECO	Ceco Environmental Corp	11,888	$1,078,717
4	ZONE	CleanCore Solutions, Inc.	145,446	$119,265
5	ARQ	Arq, Inc. This page	25,448	$64,892
6	SCWO	374Water Inc.	12,983	$24,667
7	LIQT	Liqtech International Inc	17,377	$14,770
8	TOMZ	TOMI Environmental Solutions, Inc.	5,509	$13,551

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$64,892	25,448	-65.0%	Shares	Defined	2026-08-14
2026-03-31	$186,009	72,660	-5.4%	Shares	Defined	2026-05-15
2025-12-31	$251,276	76,843	+83.5%	Shares	Defined	2026-02-17
2025-06-30	$224,815	41,865	+260.1%	Shares	Defined	2025-08-12
2025-03-31	$48,476	11,625	-53.6%	Shares	Defined	2025-05-08
2024-12-31	$189,673	25,056	+135.9%	Shares	Defined	2025-02-13
2024-06-30	$64,481	10,623	-51.7%	Shares	Defined	2024-08-12
2023-09-30	$39,120	21,978	+93.1%	Shares	Defined	2023-11-13
2021-12-31	$75,335	11,380	+8.5%	Shares	Defined	2022-02-11
2021-06-30	$77,686	10,484	—	Shares	Defined	2021-08-12
No filing history on record for this holder in this stock.